#include <iostream>
using std::cout;
using std::endl;

void test0(){
    list<int> lst; 
    list<int>::iterator iter1 = lst.begin(), iter2 = lst.end(); 
    while(iter1 < iter2)
    {    
        //....
    }
}

int main(int argc, char * argv[])
{
    test0();
    return 0;
}


